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bandwidth dependent on grid default precision

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gfilaci 2019-05-08 12:01:11 +01:00
parent 8423a05940
commit 2b3c22f03d
1 changed files with 2 additions and 2 deletions
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Grid/qcd/action/fermion/CayleyFermion5D.cc
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@ -168,10 +168,10 @@ template<class Impl> void CayleyFermion5D<Impl>::CayleyReport(void)
std::cout << GridLogMessage << "Average mflops/s per call : " << mflops << std::endl; std::cout << GridLogMessage << "Average mflops/s per call : " << mflops << std::endl;
std::cout << GridLogMessage << "Average mflops/s per call per rank : " << mflops/NP << std::endl; std::cout << GridLogMessage << "Average mflops/s per call per rank : " << mflops/NP << std::endl;
// Bytes = sizeof(RealD) * (Nc*Ns*Nreim) * Ls * vol * (read+write) (/2 for red black counting) // Bytes = sizeof(Real) * (Nc*Ns*Nreim) * Ls * vol * (read+write) (/2 for red black counting)
// read = 2 ( psi[ss+s+1] and psi[ss+s-1] count as 1 ) // read = 2 ( psi[ss+s+1] and psi[ss+s-1] count as 1 )
// write = 1 // write = 1
RealD Gbytes = sizeof(RealD) * (Nc*Ns*2) * volume * 3 /2. * 1.e-9; RealD Gbytes = sizeof(Real) * (Nc*Ns*2) * volume * 3 /2. * 1.e-9;
std::cout << GridLogMessage << "Average bandwidth (GB/s) : " << Gbytes/M5Dtime*M5Dcalls*1.e6 << std::endl; std::cout << GridLogMessage << "Average bandwidth (GB/s) : " << Gbytes/M5Dtime*M5Dcalls*1.e6 << std::endl;
} }